通常所说的天线绝对高度指的是天线的挂高加上天线所在铁塔海拔与覆盖区域的差值。
A、对
B、错
A user can send e-mail, but cannot receive any e-mail. Which of the following settings should be verified in the e-mail account?()
A、MAC address
B、TCP/IP address
C、POP Server settings
D、SMTP Server settings
Which command will purge the errorlog of all recorded occurrences of a given SRN?()
A、errclear 0
B、errpt -r -j
C、errclear -j
D、errclear -k
Which of the following commands will only provide a snapshot of average memory usage for a process?()
A、 vmtune
B、 ps au
C、 iostat
D、 rmss -m
慢性细菌性痢疾是指病程超过()
A、1周
B、2周
C、3周
D、1个月
E、2个月
An administrator is ordering a new Power 550. They will mirror rootvg and are concerned about single points of failure. Which of the following features should be ordered?()
A、Dual I/O planar, dual disk drives, dual SCSI adapters
B、Dual disk drive enclosures, dual disk drives, extra media bay
C、Dual disk drive enclosures, dual disk drives and dual SCSI adapters
D、Dual I/O planar, extra media bay, dual disk drives